# #条件循环
# a   =   1
# while   a   <=  100:
#     print('今天是第%d天'%a)
#     a   =   a   +   1


# n   =   1
# sum =   0
# while   n   <=  100:
#     sum =   sum +   n
#     n   =   n   +   1
#     #print(sum)
# print(sum)

# #遍历循环for
# for i   in  ["1","2","3","4","5"]:
#     print(i)

# for i   in range(1,11):
#     print(i,    end="   ")
#     print()   #换行符
# for i   in range(1, 11, 2):
#     print(i,    end="   ")
#     print()     #换行符
